Refrigerator



FIG. 1 is a perspective view of a refrigerator showing the front and one side of our new design;

FIG. 2 is a perspective view of a refrigerator showing the front and one side of a second embodiment of our new design;

FIG. 3 is a rear perspective view of FIG. 2; and

FIG. 4 is a perspective view of a refrigerator showing the front and one side of a third embodiment of our new design.

The side of the embodiments not shown in FIGS. 1, 2 and 4 is understood to be a mirror image of the side shown in the respective views, while the top of the embodiments shown in FIGS. 1, 2 and 4 is substantially flat and unornamented. The rear of the embodiments shown in FIGS. 1 and 4 is substantially identical to the rear of the second embodiment shown in FIG. 3, the sole difference being in the width thereof. 

The ornamental design for a refrigerator, substantially as shown and described. 